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2021
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Invention
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Apparatus and method for use in a power delivery system. An apparatus for use in a power delivery... |
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Invention
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An apparatus and method for use in a power delivery system. An apparatus for use in a power deliv... |
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2018
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Invention
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On-load tap-changer. An on-load tap-changer switching mechanism comprises an annular cam plate (2... |
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2015
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Invention
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Dc circuit breaker and disconnector. A circuit breaker/disconnector apparatus for use in a power ... |
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Invention
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Dc circuit breaker and disconnector. A circuit breaker / disconnector apparatus for use in a powe... |
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Invention
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Circuit breaker with coil for arc displacement. A circuit breaker has first and second relatively... |
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2000
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Invention
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Electromagnetic actuators. An electromagnetic actuator for a circuit breaker having a pair of rel... |
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1998
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Invention
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Electrical circuit breakers. An electrical circuit breaker includes a moveable contact piece conn... |
